Big Diamond

Itasca County

Near Holman

DOW: 31022300

Yellow PerchGood · 55Black CrappieGood · 53Northern PikeGood · 51

A 156-acre lake near Holman in Itasca County — best known for panfish and pike. Last surveyed 1986.

Fish Species (10)

Yellow Perch

Good · 55

Below-normal numbers · large fish

Gill-net survey · surveyed Jul 1986

Last surveyed 1986 — treat with caution

Avg Weight

0.45 lbs

Catch rate: 1.0 per gill net · typical 2–21.5 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 2, 1986	1.00	-	0.45 lbs	Standard gill nets
Jul 7, 1980	0.40	-	0.20 lbs	Standard gill nets

Black Crappie

Good · 53

Below-normal numbers · large fish

Gill-net survey · surveyed Jul 1986

Last surveyed 1986 — treat with caution

Avg Weight

0.40 lbs

Catch rate: 0.75 per gill net · typical 1–4.8 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 2, 1986	0.75	-	0.40 lbs	Standard gill nets
Jul 7, 1980	0.60	-	0.80 lbs	Standard gill nets

Northern Pike

Good · 51

Typical numbers · average-size fish

Gill-net survey · surveyed Jul 1986

Last surveyed 1986 — treat with caution

Avg Weight

1.64 lbs

Catch rate: 8.5 per gill net · typical 4.8–12.5 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 2, 1986	8.50	-	1.64 lbs	Standard gill nets
Jul 2, 1986	0.25	-	1.30 lbs	Standard trap nets
Jul 7, 1980	4.60	-	2.14 lbs	Standard gill nets

Pumpkinseed

Good · 51

Below-normal numbers · large fish

Trap-net survey · surveyed Jul 1986

Last surveyed 1986 — treat with caution

Avg Weight

0.24 lbs

Catch rate: 1.3 per trap net · typical 2.8–10.3 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 2, 1986	3.50	-	0.13 lbs	Standard gill nets
Jul 2, 1986	1.25	-	0.24 lbs	Standard trap nets
Jul 7, 1980	2.00	-	0.19 lbs	Standard gill nets

Largemouth Bass

Good · 50

Large fish

Gill-net survey · surveyed Jul 1986

Last surveyed 1986 — treat with caution

Avg Weight

1.75 lbs

Catch rate: 0.5 per gill net · typical 0.3–1.8 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 2, 1986	0.50	-	1.75 lbs	Standard gill nets
Jul 7, 1980	0.25	-	3.40 lbs	Standard trap nets
Jul 7, 1980	0.60	-	2.93 lbs	Standard gill nets

Bluegill

Average · 46

Typical numbers · average-size fish

Trap-net survey · surveyed Jul 1986

Last surveyed 1986 — treat with caution

Avg Weight

0.15 lbs

Catch rate: 11.0 per trap net · typical 8.3–50.1 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 2, 1986	11.00	-	0.15 lbs	Standard trap nets
Jul 2, 1986	4.50	-	0.13 lbs	Standard gill nets
Jul 7, 1980	12.75	-	0.20 lbs	Standard trap nets

Rock Bass

Average · 37

Typical numbers · small fish

Trap-net survey · surveyed Jul 1980

Last surveyed 1980 — treat with caution

Avg Weight

0.25 lbs

Catch rate: 0.5 per trap net · typical 0.5–1.5 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 7, 1980	0.50	-	0.25 lbs	Standard trap nets
Jul 7, 1980	0.20	-	1.00 lbs	Standard gill nets

Other species in this lake (3)

Rough fish, bullheads, and baitfish recorded in DNR surveys — present in the lake, but not typical angling targets.

Yellow Bullhead

Good · 56

Typical numbers · large fish

Trap-net survey · surveyed Jul 1986

Last surveyed 1986 — treat with caution

Avg Weight

0.66 lbs

Catch rate: 3.5 per trap net · typical 2.1–10.5 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 2, 1986	1.50	-	0.63 lbs	Standard gill nets
Jul 2, 1986	3.50	-	0.66 lbs	Standard trap nets
Jul 7, 1980	5.00	-	0.56 lbs	Standard gill nets

Brown Bullhead

Good · 50

Large fish

Gill-net survey · surveyed Jul 1986

Last surveyed 1986 — treat with caution

Avg Weight

1.20 lbs

Catch rate: 0.25 per gill net · typical 0.5–4.3 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 2, 1986	0.25	-	1.20 lbs	Standard gill nets

White Sucker

Average · 34

Below-normal numbers · average-size fish

Gill-net survey · surveyed Jul 1986

Last surveyed 1986 — treat with caution

Avg Weight

2.00 lbs

Catch rate: 0.25 per gill net · typical 0.5–2.3 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 2, 1986	0.25	-	2.00 lbs	Standard gill nets
Jul 7, 1980	0.40	-	1.25 lbs	Standard gill nets

See the best yellow perch lakes in Minnesota

Fishing Regulations

Statewide limits

Standard statewide Minnesota limits for the species in this lake.

Northern Pike

Season: May 9, 2026 – Feb 28, 2027

North-central zone

Angling: 10 (not more than 2 over 26". All from 22-26" must be immediatley released).

Largemouth Bass

Season: Mar 1, 2026 – May 22, 2026

Largemouth bass in the Southern and North-central zones

Catch-and-release only

Largemouth Bass

Season: May 23, 2026 – Feb 28, 2027

Largemouth bass in the Southern and North-central zones

6 combined total largemouth or smallmouth (when smallmouth season is open)

Crappie

10 combined total

Sunfish

20 combined total

Perch

20 daily and 40 in possession

More statewide rules (spearing, rough fish)

Northern Pike

Season: Nov 15, 2026 – Feb 28, 2027

North-central zone

Darkhouse spearing: 10 (only 1 between 22-26" and 1 over 26"; or, only 2 over 26").

Rock Bass

Bowfin, buffalo, carp, carpsuckers, freshwater drum, goldeneye, redhorse, and suckers

no limit

Bullhead

100

Biologist Notes

July 2, 1986NORTHERN PIKE NUMBERS ARE AT HIGH LEVELS AND YELLOW PERCH ABUNDANCE IS LOW. ALL OTHER SPECIES ARE WITHIN NORMAL LIMITS FOR THIS TYPE OF LAKE.

NORTHERN PIKE NUMBERS ARE AT HIGH LEVELS AND YELLOW PERCH ABUNDANCE IS LOW. ALL OTHER SPECIES ARE WITHIN NORMAL LIMITS FOR THIS TYPE OF LAKE.

July 7, 1980Fish population is within normal limits for this type of lake.

Fish population is within normal limits for this type of lake.

Frequently Asked Questions

What fish can you catch in Big Diamond?

Based on Minnesota DNR survey data, anglers target Yellow Perch, Black Crappie, Northern Pike, Pumpkinseed, and Largemouth Bass in Big Diamond. See the full species list above for catch rates, size structure, and quality scores.

Is there public access at Big Diamond?

We don't have a confirmed public access point on record for Big Diamond. Check the DNR LakeFinder page for current access details before you go.

How deep is Big Diamond?

Big Diamond has a maximum depth of 31 feet, per Minnesota DNR data.

When were the main sport fish in Big Diamond last surveyed?

The most recent Minnesota DNR survey data for the main sport fish in Big Diamond is from 1986. Surveys this old should be treated with some caution — fish populations change over time.

Does Big Diamond have any invasive species?

No invasive species are on record for Big Diamond in Minnesota DNR data. Always clean, drain, and dry your equipment to help keep it that way.

Are there special fishing regulations on Big Diamond?

No — Big Diamond has no lake-specific regulations in the 2026 Minnesota DNR regulations, so statewide Minnesota limits apply. The statewide perch limit is: 20 daily and 40 in possession. Verify current rules with the Minnesota DNR before keeping fish.